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Finding the Fourth Proportional to 221,892.92, 332,916.65 and 70,113.14

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Solution

The fourth proportional to 221,892.92, 332,916.65 and 70,113.14 is: 105,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,892.92 : 332,916.65 = 70,113.14 : x
  2. Step 2: Convert to fraction form
    221,892.92/332,916.65 = 70,113.14/x
  3. Step 3: Cross multiply
    221,892.92x = 332,916.65 × 70,113.14
  4. Step 4: Simplify right side
    221,892.92x = 23,341,833,058.65
  5. Step 5: Solve for x
    x = 23,341,833,058.65/221,892.92
  6. Step 6: Final answer
    x = 105,194.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.